US Bridges

County RD 413 over Delaware CR

Good

Stoddard County, Missouri · S 28 T 26 N R 10 E · Structure no. 23994

Built
1930
95 years old, rebuilt 1980
Condition
Good
inspected January 2025
Type
Girder and Floorbeam System
Steel
Length
48 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 413 over Delaware CR is a steel girder and floorbeam system carrying County RD 413 over Delaware CR in Stoddard County, Missouri. It was built in 1930 and reconstructed in 1980, so it is 95 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2043. The structure is 48 ft (14.6 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty RD 413
CrossesDelaware CR
LocationS 28 T 26 N R 10 E
RouteCounty Highway 449
CountyStoddard County
StateMissouri
Coordinates36.8645, -89.96624
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length48 ft (14.6 m)
Longest span48 ft (14.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic130 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 413 over Delaware CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1980.

What condition is County RD 413 over Delaware CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does County RD 413 over Delaware CR carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 413 over Delaware CR?

The structure is 48 ft (14.6 m) long with a longest span of 48 ft (14.6 m) and a deck 20 ft wide.

Who owns County RD 413 over Delaware CR?

It is owned by the County Highway Agency.